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| author | Yishai Hadas <yishaih@nvidia.com> | 2024-02-05 14:48:27 +0200 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2024-02-22 12:17:32 -0700 |
| commit | d8d577b5fa2a8832f5730ac26e905d8ac131882d (patch) | |
| tree | 6183f8500bec4b359160309fd8af8583de2da8ca /drivers/vfio | |
| parent | 793d4bfa3103a238c6e48eb13c38fa31acd18b94 (diff) | |
| download | linux-d8d577b5fa2a8832f5730ac26e905d8ac131882d.tar.gz linux-d8d577b5fa2a8832f5730ac26e905d8ac131882d.tar.bz2 linux-d8d577b5fa2a8832f5730ac26e905d8ac131882d.zip | |
vfio/mlx5: Block incremental query upon migf state error
Block incremental query which is state-dependent once the migration file
was previously marked with state error.
This may prevent redundant calls to firmware upon PRE_COPY which will
end-up with a failure and a syndrome printed in dmesg.
Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Acked-by: Leon Romanovsky <leon@kernel.org>
Link: https://lore.kernel.org/r/20240205124828.232701-5-yishaih@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/vfio')
| -rw-r--r-- | drivers/vfio/pci/mlx5/cmd.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/vfio/pci/mlx5/cmd.c b/drivers/vfio/pci/mlx5/cmd.c index 6b45bd7d89ad..6800e4ffe9ee 100644 --- a/drivers/vfio/pci/mlx5/cmd.c +++ b/drivers/vfio/pci/mlx5/cmd.c @@ -121,6 +121,11 @@ int mlx5vf_cmd_query_vhca_migration_state(struct mlx5vf_pci_core_device *mvdev, } query_flags &= ~MLX5VF_QUERY_INC; } + /* Block incremental query which is state-dependent */ + if (mvdev->saving_migf->state == MLX5_MIGF_STATE_ERROR) { + complete(&mvdev->saving_migf->save_comp); + return -ENODEV; + } } MLX5_SET(query_vhca_migration_state_in, in, opcode, |